Chapter 2. Channels
Before there were layers, before layer masks and adjustment layers, before clipping masks, Smart Objects, and all the other selection-related features that Photoshop offers today, there were channels. And as impressive as those features are, they can never supplant channels in terms of their fundamental importance. Channels underpin every Photoshop image you work with, and working in Photoshop you’re working with channels whether you know it or not.
Every image is made up of channels—or a single channel if it’s a grayscale, bitmap, or indexed color image—and utilizing those channels will vastly expand your range of image-editing possibilities and massively speed up your workflow. Channels come in three flavors: color channels, ...
Get Adobe Photoshop Unmasked: The Art and Science of Selections, Layers, and Paths now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
